Note: The Flow Check II instrument is calibrated with air. If it is intended to use Nitrogen or
other gases the expected flow value will not be correct. Please contact your local Pall office or
d
istributor if it is intended to use a gas other than air.
•
Ensure that the Palltronic Flow Check II unit is dry – if you suspect that the moisture is
present in the internal capillary, it is recommended to blow clean, dry air at 2 bar (29 psi)
pressure for 2 hours through the Palltronic Flow Check II unit
Note: If the internal capillary has moisture present or is contaminated, the flow measured by the
integrity test instrument will be low compared to the expected value. The display on the Flow
Check II unit will still show the expected value, corrected for the ambient pressure.
• Check that the test parameters (especially test pressure) are set correctly – these details are
available with the Palltronic Flow Check II unit, see Section 3.4 for more information.
• If the remote vent valve is installed, repeat the Flow Check test without the remote vent valve
to determine whether the remote vent valve is the cause of the failure or not.
If test results are consistently outside the 5% limit, please contact your local Pall office or
distributor as either the Palltronic Flow Check II unit or Palltronic integrity test instrument may
require service and/or calibration.
5.2 Continued Difficulties
If following the steps in Section 5.1 has not solved the problem or additional technical support
is required (available as a charged service), please contact your local Pall office or distributor.
Supplying a detailed written description of the problem will facilitate a quick response.
www.pall.com/biopharm 9
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